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Senior Commissioning Engineer
Carrier Commercial RefrigerationSenior CO₂ Commissioning Engineer leading startup and optimization of transcritical CO₂ refrigeration systems in commercial applications. Mentoring junior engineers and ensuring commissioning excellence.
About the role
Key responsibilities & impact- Lead end-to-end startup and commissioning of transcritical CO₂ systems
- Direct and oversee contractor activities during commissioning, including evacuation and charging
- Troubleshoot complex mechanical, electrical, and controls issues encountered during commissioning
- Complete detailed commissioning reports, checklists, and final validation documentation
- Mentor and support Junior and Mid-Level Commissioning Engineers.
Requirements
What you’ll need- 8+ years of commercial refrigeration experience
- 5+ years of direct hands-on experience commissioning transcritical CO₂ systems
- Proven experience independently commissioning full supermarket CO₂ racks (preferred)
- Expert-level understanding of transcritical CO₂ refrigeration theory and application
- Ability to interpret and validate P&IDs, electrical schematics, control sequences, and logic
- EPA Universal Certification (required)
- Comfortable operating as the technical face of the company on-site.
Benefits
Comp & perks- Extensive travel required (often weekly)
- Ability to travel by plane or car
- Ability to work in mechanical rooms, rooftops, and live store environments
- Ability to lift and transport diagnostic tools and field equipment
- Flexibility to work extended hours during startup windows.
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
transcritical CO₂ systemscommercial refrigerationcommissioningmechanical troubleshootingelectrical troubleshootingcontrols troubleshootingP&ID interpretationelectrical schematics interpretationcontrol sequences validationlogic validation
Soft Skills
mentoringsupporting engineerscommunicationleadership
Certifications
EPA Universal Certification